diff --git a/sdf.fs b/sdf.fs
index 6d707df..8829c94 100644
--- a/sdf.fs
+++ b/sdf.fs
@@ -100,17 +100,33 @@ void main()
     vec3 normal = calcNormal(ray);
 
     vec3 lighDir = normalize(vec3(.5,-1.0,0.5));
-    float light = (- min(dot(normal,lighDir),0.0))*0.85+0.3;
+    float light = (- min(dot(normal,lighDir),0.0))*0.85;
 
-    Ray shRay = Ray(lighDir * (-1.0), ray.pos + 0.5*normal , .0,.0, vec3(.0));
-    shRay = march(shRay);
+    float shLeve = 1.0;
 
-    if( (dot(lighDir,normal) < 0.0) && (shRay.len <20)){
-        light *= min(shRay.len*0.1,1.0);
+    vec2 offsets[8] = vec2[](
+        vec2( -0.94201624, -0.39906216 ),
+        vec2( 0.94558609, -0.76890725 ),
+        vec2( -0.094184101, -0.92938870 ),
+        vec2( 0.34495938, 0.29387760 ),
+        vec2( 0.94201624, 0.39906216 ),
+        vec2( -0.94558609, 0.76890725 ),
+        vec2( 0.094184101, 0.92938870 ),
+        vec2( -0.34495938, -0.29387760 )
+    );
+
+    for(int i = 0; i < 8; i++){
+        Ray shRay = Ray(lighDir * (-1.0) + vec3(offsets[i].x,.0,offsets[i].y)*0.05, ray.pos + 0.5*normal, .0,.0, vec3(.0));
+        shRay = march(shRay);
+        if( (dot(lighDir,normal) < 0.0) && (shRay.len <20)){
+            shLeve -= 0.125*max(1.0-shRay.len*0.07 , 0.0);
+        }
     }
 
+    light *= shLeve * .8;
+
     if(ray.min <= 0.2){
-        FragColor = vec4(ray.color * light, 1.0);
+        FragColor = vec4(ray.color * (light+0.3), 1.0);
     } else {
         FragColor = vec4(.0,0.0,0.0,1.0);
     }